Calculate number of hours between 2 dates in PHP

Question

How do I calculate the difference between two dates in hours?

For example:

day1=2006-04-12 12:30:00
day2=2006-04-14 11:30:00

In thi

Answer 1

This is working in my project. I think, This will be helpful for you.

If Date is in past then invert will 1.
If Date is in future then invert will 0.

$defaultDate = date('Y-m-d');   
$datetime1   = new DateTime('2013-03-10');  
$datetime2   = new DateTime($defaultDate);  
$interval    = $datetime1->diff($datetime2);  
$days        = $interval->format('%a');
$invert      = $interval->invert;